Inequality Review
Presentation
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Easy
Standards-aligned
George Mitchell
Used 19+ times
FREE Resource
8 Slides • 12 Questions
1
Inequality Review
by George Mitchell
2
Inequality
A mathematical sentence that include these symbols:
<, is less than
>, is greater than
3
Solving Equations and Inequalities
When solving an equation, you must use inverse operations to isolate the variable.
When solving an inequality, you must use inverse operations to isolate the variable.
4
Multiple Choice
Which type of symbol is used for an inequality?
=
+
>
pi
5
Multiple Choice
What is the meaning of this symbol: > ?
Is not equal to
is greater than
is less than
is equal to
6
Multiple Choice
What is the meaning of this symbol: ≤ ?
is greater than or equal to
is equal to
is less than or equal to
is less than
7
Multiple Choice
What is the meaning of this symbol: < ?
is less than
is greater than or equal to
is equal to
is less than or equal to
8
Multiple Choice
What is the meaning of this symbol: ≥ ?
is less than
is less than or equal to
is greater than
is greater than or equal to
9
Solution v. Solution Set
An equation will usually yield only one solution like the equation that is solved on the right.
Solution
a means of solving a problem.
10
Solution V. Solution Set
An inequality will usually yield more than one solution. This is due to meaning of the inequality symbols, and it is this reason why the solutions set must be graphed.
Solution Set
a complete set of numbers that satisfy(make true) an equation or inequality.
11
Inequalities and NegativeNumbers
When multiplying or dividing a negative number on both sides of the inequality,
You must reverse the symbol in order for the inequality to remain true.
Notice in the inequality, when -6 is divided on both sides.
12
Multiple Choice
An inequality solved using...
a ruler
a compass
same operations
inverse operations
13
Multiple Choice
When multiplying or dividing a negative number, you must...
keep the same inequality symbol
change the inequality to an equal sign
reverse the inequality symbol
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Graphing Inequalities
Since inequalities will usually yield more than one solution, it is important to see the possible solutions visually using a number line.
15
Graphing Inequalities
16
Multiple Choice
<, >
What type of circle must you have for these inequality symbols?
Open circle
small circle
closed circle
large circle
17
Multiple Choice
What type of circle must you have for these inequality symbols?
≤, ≥
Open circle
small circle
closed circle
large circle
18
Multiple Choice
For these symbols, what direction do you shade the number line?
<, ≤
shade up
shade right
shade down
shade left
19
Multiple Choice
For these symbols, what direction do you shade the number line?
>, ≥
shade up
shade right
shade left
shade down
20
Open Ended
What do you know now about inequalities?
Inequality Review
by George Mitchell
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